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Finding the Fourth Proportional to 19,503.63, 26,915.07 and 10,551.17

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Solution

The fourth proportional to 19,503.63, 26,915.07 and 10,551.17 is: 14,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.63 : 26,915.07 = 10,551.17 : x
  2. Step 2: Convert to fraction form
    19,503.63/26,915.07 = 10,551.17/x
  3. Step 3: Cross multiply
    19,503.63x = 26,915.07 × 10,551.17
  4. Step 4: Simplify right side
    19,503.63x = 283,985,479.13
  5. Step 5: Solve for x
    x = 283,985,479.13/19,503.63
  6. Step 6: Final answer
    x = 14,560.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.